Belt running speed detection device and belt conveyor thereof

Abstract

The utility model relates to the technical field of belt speed measurement, in particular to a belt running speed detection device and a belt conveyor thereof, the speed measurement device is mounted on a frame, the speed measurement device comprises a mounting seat, a speed measurement part, a roller and two springs, the mounting seat is mounted on the frame, the speed measurement part is rotatably connected with the mounting seat, the roller is connected with the speed measurement part, and the two springs are arranged on the mounting seat. The two springs are located on the two sides of the speed measuring part respectively, and the two ends of the single spring are connected with the mounting base and the speed measuring part respectively. The whole detection device is mounted on the frame, the speed measuring part is rotationally connected with the mounting part, and under the matching of the two springs, the mounting of the whole detection device is not limited, so that different use scenes can be met, and in addition, the detection device can be adjusted according to the tensioning degree of the belt. The positions of the speed measuring part and the roller relative to the mounting part are adaptively adjusted, so that the detection efficiency of the belt running speed of the belt conveyor can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a belt speed measurement technical field especially a kind of belt running speed's detection device and its belt conveyor. BACKGROUND

[0002] The speed detection of belt conveyor belt is very important.Speed detector is a kind of device for detecting the running speed of belt conveyor, by detecting the running speed of belt conveyor, the running state of belt conveyor can be controlled, to ensure the stability and safety of the whole equipment operation.Speed detector is usually installed in the driving end of belt conveyor, the running speed of belt is detected using sensor, and the running speed signal is converted into electric signal, transmitted to controller such as electric control box for processing, to obtain the running speed of belt.

[0003] At present, the detection of belt conveyor belt running speed is by using code disc, first install a code disc on the belt, then install a photoelectric sensor beside it, by calculating the number of turns of code disc per second, the running speed of belt can be obtained.The existing speed measuring device is provided with two supports, the long waist hole with specific angle is formed in the two supports, and is fixed by screw, one end is connected with code disc, the other end is fixed on the crossbeam of belt conveyor support leg, so setting, there will be the following shortcomings:

[0004] 1, the driving end of belt conveyor is not necessarily beside the crossbeam of belt conveyor support leg, even if there is crossbeam of belt conveyor support leg, the distance is different, so that the support cannot be installed (i.e. because of the position of crossbeam of belt conveyor support leg, the roller cannot contact with the belt), which cannot meet the different use scenes;

[0005] 2, although long waist hole is formed in the support, the distance and angle of support relative to crossbeam of belt conveyor support leg can be adjusted through long waist hole, but the distance range and angle range of adjustment, in addition, because the tension degree of each belt conveyor belt is different, manual screwing is needed to adjust, the speed measurement is inconvenient, which will affect the detection efficiency of belt conveyor belt running speed. INVENTION CONTENTS

[0006] In view of the above shortcomings in the prior art, the present application provides a kind of belt running speed's detection device and its belt conveyor, by improving the structure of detection device, different use scenes can be met, and the detection efficiency of belt conveyor belt running speed can be improved.

[0007] The technical scheme adopted by the utility model is as follows:

[0008] The application discloses a belt running speed detection device, which is installed on a frame and comprises a mounting seat, a speed detection part, a roller and two springs.

[0009] Thus, the whole detection device is installed on the frame, and the speed detection part is rotationally connected with the mounting part, and under the cooperation of the two springs, compared with the prior art that the whole detection device is installed on a cross beam and adjusted by manually screwing screws, the method has a simple structure and is convenient to operate, so that the installation of the whole detection device is not limited and can meet different use scenarios, and in addition, since the spring has a certain elasticity and the speed detection part is rotationally connected with the mounting part, the position of the speed detection part and the roller relative to the mounting part can be adaptively adjusted according to the tension degree of the belt, manual adjustment is not needed, and the detection efficiency of the belt running speed of the belt conveyor can be improved.

[0010] As a further improvement of the above technical solution: the speed detection part comprises a photoelectric instrument and a code disc, the cross-sectional shape of the photoelectric instrument is a "N" shape, and a part of the code disc is located in the photoelectric instrument.

[0011] As a further improvement of the above technical solution: the code disc is embedded with a plurality of light circles, the light circles are distributed along the radial direction of the code disc, the plurality of light circles are distributed in an equidistant ring shape, and the photoelectric instrument can sense the light circles on the code disc in the photoelectric instrument. Thus, the number of light circles in a unit time is detected by the photoelectric instrument to calculate the running speed of the belt.

[0012] As a further improvement of the above technical solution: the speed detection part further comprises a housing and a mounting block, a containing space is formed between the housing and the mounting block, the photoelectric instrument and the code disc are located in the sealed space, the photoelectric instrument is connected with the housing and the mounting block through both ends of a support, the mounting block is rotationally connected with the mounting seat, and the spring is connected with the mounting block. Thus, the photoelectric instrument and the code disc are protected by the housing and the mounting block, so that the photoelectric instrument and the code disc are not affected by foreign matters in the outside world, the safety of the whole detection device is improved, and the service life of the whole detection device is prolonged.

[0013] As a further improvement of the above technical solution: the speed measuring part further comprises a connecting rod, the connecting rod penetrates through the mounting block and is rotationally connected with the mounting block, one end of the connecting rod is connected with the code disc, and the other end of the connecting rod is connected with the roller. Therefore, the rotation of the roller can be transmitted to the code disc through the connecting rod, so that the code disc rotates, and thus the rotating code disc is used to detect the number of light circles in a unit of time through the photoelectric instrument, and the running speed of the belt is calculated.

[0014] As a further improvement of the above technical solution: the mounting seat comprises a first mounting piece, a second mounting piece and two third mounting pieces, the first mounting piece is mounted on the frame, the second mounting piece is mounted on the first mounting piece, the mounting block is rotationally connected with the second mounting piece, and the two third mounting pieces are respectively mounted on the two sides of the first mounting piece, and the spring is connected with the third mounting piece.

[0015] As a further improvement of the above technical solution: a positioning pin is arranged at each end of the mounting block on the single third mounting piece, and the spring is connected with the third mounting piece or the mounting block through the positioning pin.

[0016] As a further improvement of the above technical solution: the roller is located at the bottom of the belt to be measured. Therefore, the entire detection device can be placed below the belt, so that the entire detection device does not affect the operation of the belt, and the entire detection device can be protected, thereby further improving the service life of the entire detection device.

[0017] A belt conveyor comprises a detection device for detecting the running speed of a belt.

[0018] The beneficial effects of the present application are as follows:

[0019] The entire detection device is mounted on the frame, and the speed measuring part is rotationally connected with the mounting part, and is adjusted under the cooperation of the two springs. Compared with the existing mode in which the entire detection device is mounted on the cross beam and manually screwed to adjust, the mode has a simple structure and is convenient to operate, so that the installation of the entire detection device is not limited, and different use scenarios can be met. In addition, since the spring has a certain elasticity and the speed measuring part is rotationally connected with the mounting part, the position of the speed measuring part and the roller relative to the mounting part can be adaptively adjusted according to the tension degree of the belt, manual adjustment is not required, and the detection efficiency of the running speed of the belt of the belt conveyor can be improved.

[0020] The present application also has the following advantages:

[0021] 1. The utility model discloses a shell and mounting block can protect photoelectric instrument, code disc to make photoelectric instrument, code disc not be influenced by foreign matter of outside to improve the security of whole detection device, simultaneously, prolong the service life of whole detection device.

[0022] 2. The utility model discloses the whole detection device is below the belt to make whole detection device not influence the operation of belt, simultaneously, still can protect whole detection device to further improve the service life of whole detection device. DRAWINGS

[0023] Fig. 1 It is the structure diagram of the detection device of the utility model's belt running speed;

[0024] Fig. 2 It is the explosion drawing of the detection device of the utility model's belt running speed;

[0025] Fig. 3 It is the explosion drawing of the utility model's speed measuring part, gyro wheel and spring;

[0026] Fig. 4 It is the effect drawing of the detection device of the utility model's belt running speed installation.

[0027] 1, mounting seat;

[0028] 101, first mounting piece;102, second mounting piece;103, third mounting piece;

[0029] 2, speed measuring part;

[0030] 201, photoelectric instrument;202, code disc;2021, diaphragm;203, shell;204, mounting block;205, support;206, connecting rod;

[0031] 3, gyro wheel;

[0032] 4, spring;

[0033] 5, positioning pin. DETAILED DESCRIPTION

[0034] The specific implementation of the utility model will be explained below in combination with the drawings.

[0035] As Figs. 1 to 4The application discloses a belt running speed detection device, which is characterized in that the detection device is installed on a frame, and comprises a mounting seat 1, a speed detection part 2, a roller 3 and two springs 4. The mounting seat 1 is installed on the frame, the speed detection part 2 is rotationally connected with the mounting seat 1 and is used for detecting the running speed of the belt, the roller 3 is connected with the speed detection part 2, and the outer periphery of the roller 3 is in contact with the belt to be detected, and the two springs 4 are respectively arranged on the two sides of the speed detection part 2, and the two ends of each spring 4 are respectively connected with the mounting seat 1 and the speed detection part 2. Thus, the whole detection device is installed on the frame, the speed detection part 2 is rotationally connected with the mounting part, and under the cooperation of the two springs 4, compared with the existing mode that the whole detection device is installed on a cross beam and adjusted by manually screwing screws, the mode has the advantages of simple structure and convenient operation, so that the installation of the whole detection device is not limited and can meet different use scenes, and in addition, since the spring 4 has a certain elasticity and the speed detection part 2 is rotationally connected with the mounting part, the position of the speed detection part 2 and the roller 3 relative to the mounting part can be automatically adjusted according to the tension degree of the belt, manual adjustment is not needed, and the detection efficiency of the belt running speed of the belt conveyor can be improved.

[0036] In other words, the whole detection device is installed on the frame, that is, as long as there is a position of the frame, the detection device can be installed, and is not limited by the position of the cross beam, so that the roller 3 can be in contact with the belt to detect the running speed of the belt in different use scenes. Since the speed detection part 2 is rotationally connected with the mounting part and two springs 4 are arranged on the two sides of the speed detection part 2, the distance between the roller 3 and the belt can be automatically matched according to the tension degree of the belt, so that the position of the speed detection part 2 and the roller 3 relative to the mounting part can be automatically adjusted, manual adjustment is not needed (that is, due to the action of the spring 4 and according to the tension degree of the belt, the speed detection part 2 can be rotated relative to the mounting seat 1, the roller 3 is rotated with the rotation of the speed detection part 2, so that the position of the speed detection part 2 and the roller 3 relative to the mounting part can be automatically adjusted, that is, as long as the whole detection device is installed on the frame, manual adjustment is not needed, and the running speed of the belt can be detected, so that the detection efficiency of the belt running speed of the belt conveyor can be improved, and the roller 3 can be constrained.

[0037] In the embodiment, the speed measuring part 2 comprises a photoelectric instrument 201, a code disc 202, a shell 203, a mounting block 204 and a connecting rod 206. The cross section of the photoelectric instrument 201 is in the shape of a "N" character. A part of the code disc 202 is located in the photoelectric instrument 201. The shell 203 and the mounting block 204 form a closed space. The photoelectric instrument 201 and the code disc 202 are located in the closed space. The photoelectric instrument 201 is connected with the shell 203 and the mounting block 204 through the two ends of a support 205. The mounting block 204 is rotationally connected with the mounting seat 1. The spring 4 is connected with the mounting block 204. The connecting rod 206 penetrates the mounting block 204 and is rotationally connected with the mounting block 204. One end of the connecting rod 206 is connected with the code disc 202. The other end of the connecting rod 206 is connected with the roller 3. The code disc 202 is embedded with a plurality of light circles 2021. The light circles 2021 are distributed along the radial direction of the code disc 202. The plurality of light circles 2021 are distributed in the shape of a ring with equal intervals. The photoelectric instrument 201 can sense the light circles 2021 on the code disc 202 in the photoelectric instrument 201. Thus, the photoelectric instrument 201 and the code disc 202 can be protected by the shell 203 and the mounting block 204, so that the photoelectric instrument 201 and the code disc 202 are not affected by foreign matters outside, thereby improving the safety of the whole detection device and prolonging the service life of the whole detection device. The rotation of the roller 3 can be transmitted to the code disc 202 through the connecting rod 206, so that the code disc 202 rotates. Thus, the number of the light circles 2021 in a unit time is detected by the photoelectric instrument 201 by using the rotating code disc 202, and then the running speed of the belt is calculated.

[0038] In the embodiment, the mounting seat 1 comprises a first mounting member 101, a second mounting member 102 and two third mounting members 103. The first mounting member 101 is mounted on a frame. The second mounting member 102 is mounted on the first mounting member 101. The mounting block 204 is rotationally connected with the second mounting member 102. The two third mounting members 103 are respectively mounted on the two sides of the first mounting member 101. The spring 4 is connected with the third mounting member 103.

[0039] In the embodiment, the two ends of the mounting block 204 are respectively provided with a positioning pin 5 on the single third mounting member 103. The spring 4 is connected with the third mounting member 103 or the mounting block 204 through the positioning pin 5.

[0040] In the embodiment, the roller 3 is located at the bottom of the belt to be measured, so that the entire detection device can be placed below the belt, so that the entire detection device does not affect the operation of the belt, and the entire detection device can be protected to further improve the service life of the entire detection device.

[0041] The detection process of the belt running speed of the utility model is: firstly, the entire detection device is installed on the frame of the belt conveyor where the belt to be measured is located; then, the belt is started, the roller 3 is rotated through the rotation of the belt, and the code disc 202 is rotated under the cooperation of the connecting rod 206, the radius R of the code disc 202 and the number K of the light ring 2021 on the code disc 202 are obtained, and the number N of light sources detected per unit time (for example: 1 second) is obtained through the photoelectric instrument 201; finally, the running speed of the belt is calculated according to the formula: V = N * R / K

[0042] A belt conveyor comprises a detection device for detecting the running speed of a belt.

[0043] In summary, the entire detection device is installed on the frame, and the speed measuring part 2 is rotatably connected with the mounting part, and under the cooperation of the two springs 4, compared with the existing detection device installed on the cross beam and adjusted by manually screwing the screw, the structure is simple and convenient to operate, so that the installation of the entire detection device is not limited, and different use scenarios can be met, in addition, since the spring 4 has a certain elasticity, and the speed measuring part 2 is rotatably connected with the mounting part, the position of the speed measuring part 2 and the roller 3 relative to the mounting part can be automatically adjusted according to the tension of the belt, without manual adjustment, so that the detection efficiency of the belt running speed of the belt conveyor can be improved.

[0044] The above description is an explanation of the utility model, not a limitation of the utility model, the scope defined by the utility model is referred to the claims, and any form of modification within the protection scope of the utility model can be made.

Claims

1. A belt running speed detecting device characterized by comprising: The speed measuring device is installed on the frame, and the speed measuring device comprises: a mounting seat (1) installed on the frame; a speed measuring part (2) rotatably connected with the mounting seat (1) and used for detecting the running speed of the belt; a roller (3) connected with the speed measuring part (2), and the outer circumferential surface of the roller (3) is in contact with the belt to be measured; two springs (4) respectively arranged on both sides of the speed measuring part (2), and two ends of each spring (4) are respectively connected with the mounting seat (1) and the speed measuring part (2).

2. The belt running speed detecting device according to claim 1, characterized in that: The speed measuring part (2) comprises: a photoelectric instrument (201) and a code disc (202), the cross-sectional shape of the photoelectric instrument (201) is a "N" shape, and a part of the code disc (202) is arranged in the photoelectric instrument (201).

3. The belt running speed detecting device according to claim 2, wherein: The code disc (202) is embedded with a plurality of light circles (2021), the light circles (2021) are distributed along the radial direction of the code disc (202), the plurality of light circles (2021) are distributed in an equidistant ring shape, and the photoelectric instrument (201) can sense the light circles (2021) on the code disc (202) in the photoelectric instrument (201).

4. The belt running speed detecting device according to claim 2, wherein: The speed measuring part (2) further comprises: an outer shell (203) and a mounting block (204), the outer shell (203) and the mounting block (204) form a containing space, the photoelectric instrument (201) and the code disc (202) are arranged in the containing space, the photoelectric instrument (201) is connected with the outer shell (203) and the mounting block (204) through two ends of a support (205), the mounting block (204) is rotatably connected with the mounting seat (1), and the spring (4) is connected with the mounting block (204).

5. The belt running speed detecting device according to claim 4, wherein: The speed measuring part (2) further comprises: a connecting rod (206) penetrating through the mounting block (204) and rotatably connected with the mounting block (204), one end of the connecting rod (206) is connected with the code disc (202), and the other end of the connecting rod (206) is connected with the roller (3).

6. The belt running speed detecting device according to claim 4, wherein: The mounting seat (1) comprises: a first mounting member (101), a second mounting member (102), and two third mounting members (103), the first mounting member (101) is installed on the frame, the second mounting member (102) is installed on the first mounting member (101), the mounting block (204) is rotatably connected with the second mounting member (102), and the two third mounting members (103) are respectively installed on both sides of the first mounting member (101), and the spring (4) is connected with the third mounting member (103).

7. The belt running speed detecting device according to claim 6, wherein: A positioning pin (5) is arranged on each of the two ends of the mounting block (204) of each third mounting member (103), and the spring (4) is connected with the third mounting member (103) or the mounting block (204) through the positioning pin (5).

8. The belt running speed detecting device according to claim 1, wherein: The roller (3) is arranged at the bottom of the belt to be measured.

9. A belt conveyor characterized by: A belt running speed detection device including any one of claims 1 to 8.

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